Apple-first experiences

Practice smarter. Perform tighter. Ship faster.

Native apps for musicians and indie developers—score playback, stem practice, rhythm training, and lightweight QA tools built for iPhone, iPad, and Mac.

Explore musician tools Developer tools

Musician Tools

Performance-ready score & timing apps

Built for good user experience and high performance on iPhone, iPad and Mac.

BandScore

Free + in-app purchase

A complete practice and rehearsal companion that merges interactive scores with real audio playback.

Audio playback with adjusted speed and pitch.
Import GuitarPro, MusicXML or MIDI scores and play along to audio files.
Stem separation for audio files.
Edit score, lyrics and chord sheets.

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Perfect Timing

Free + in-app purchase

A rhythm mentor that evaluates feel, builds groove and keeps ensembles locked in.

Metronome with beat counts, divisions and shuffle swing.
Randomized rhythm trainer plus timing accuracy feedback.
Drum patterns covering multiple contemporary styles.

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PlayStems

Free + in-app purchase

Play multiple audio stems in sync—practice with per-track volume, balance, speed, pitch, loops, and optional AI stem splitting.

Song library from imported audio files, with title and artist.
Synced multi-stem playback with mixer, speed, pitch, and marker loops.
Stem splitting into voice, bass, drums, and other tracks.

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Development Tools

Workflow accelerators for small teams

Lightweight utilities which do not require a server.

SimpleBugTracker

Free

Stand-alone issue management for Apple-first teams.

Log bugs with annotated screenshots and device context.
Prioritize by severity, status and custom labels.
Share updates via e-mail with the reporter or developing partners.

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SimpleTestTracker

Free

Lightweight QA suite for macOS, iPad, and iPhone.

Create structured test plans for products and versions.
Track test run results for each test destination.
Statistics by product, version and destination.

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